Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7044 ACD/P4A

7044 ACD/P4A

Dimensions

d		220	mm
D		340	mm
B		56	mm
d₁		257	mm
d₂		257	mm
D₁		303	mm
r_1,2	min.	3	mm
r_3,4	min.	1.5	mm
a		93.6	mm

Abutment dimensions

d_a	min.	233	mm
d_b	min.	233	mm
D_a	max.	327	mm
D_b	max.	334	mm
r_a	max.	2.5	mm
r_b	max.	1.5	mm
d_n		267.1	mm

Calculation data

Basic dynamic load rating	C	319	kN
Basic static load rating	C₀	440	kN
Fatigue load limit	P_u	11	kN
Attainable speed for grease lubrication		3600	r/min
Attainable speed for oil-air lubrication		5300	r/min
Ball diameter	D_w	38.1	mm
Number of balls	z	21
Reference grease quantity	G_ref	201	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	2000	N
Static axial stiffness, preload class A		546	N/µm
Preload class B	G_B	4000	N
Static axial stiffness, preload class B		710	N/µm
Preload class C	G_C	8000	N
Static axial stiffness, preload class C		935	N/µm
Preload class D	G_D	16000	N
Static axial stiffness, preload class D		1254	N/µm
Calculation factors
Calculation factor	f	1.13
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.05
Calculation factor	f_2D	1.08
Calculation factor	f_HC	1
Calculation factor	e	0.68
Calculation factor (single, tandem)	Y₂	0.87
Calculation factor (single, tandem)	Y₀	0.38
Calculation factor (single, tandem)	X₂	0.41
Calculation factor (back-to-back, face-to-face)	Y₁	0.92
Calculation factor (back-to-back, face-to-face)	Y₂	1.41
Calculation factor (back-to-back, face-to-face)	Y₀	0.76
Calculation factor (back-to-back, face-to-face)	X₂	0.67

Mass

Mass bearing

16.1

Model Number: 7044 ACD/P4A
Inner Diameter：220mm Outer Diameter：340mm Width：56mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Super-precision bearings Angular contact ball bearings Angular contact ball bearings, super-precision
Details： Angular contact ball bearings, super-precision
Update date：2026-04-17
Application:metering pump,storage and transportation equipment,large agricultural machinery,industrial equipment,motor,preservation equipment,Doppler,Ball screw,screen filter,hinge industry,paint paint
Similar models:7044 ACD/P4A 7044 CD/P4A 7044 ACD/HCP4A 7044 CD/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 7044ACD/P4A products，there is large inventory of SKF 7044 ACD/P4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 7044 ACD/P4A Which SKF 7044ACD/P4A is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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